Home / 12,620.63-17,400.29-10,343.58

Finding the Fourth Proportional to 12,620.63, 17,400.29 and 10,343.58

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Solution

The fourth proportional to 12,620.63, 17,400.29 and 10,343.58 is: 14,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.63 : 17,400.29 = 10,343.58 : x
  2. Step 2: Convert to fraction form
    12,620.63/17,400.29 = 10,343.58/x
  3. Step 3: Cross multiply
    12,620.63x = 17,400.29 × 10,343.58
  4. Step 4: Simplify right side
    12,620.63x = 179,981,239.92
  5. Step 5: Solve for x
    x = 179,981,239.92/12,620.63
  6. Step 6: Final answer
    x = 14,260.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.